Yarn Weights & Recommended Needle/Hook Sizes


Symbol Weight

Recommended   Needle Size

 Recommended     Hook Size
Sock, Fingering

1 - 3 US

2.25 - 3.25mm

B-1 to E-4 US
Sport

3 - 5 US

3.25 - 3.75mm

E-4 to 7 US
DK, Light Worsted

5 - 7 US

3.75 - 4.5mm

7 to I-9
Worsted, Aran

7 - 9 US

4.5 - 5.5mm

I-9 to K-10.5
Chunky

9 - 11 US

5.5 - 8mm

K-10.5 to M-13
Bulky, Roving

11 - 17

8 - 12.75mm

M-13 to Q
Jumbo, Roving

17 & larger

12.75mm & larger

Q & larger